Humans Cannot Survive on the Surface of Mars for Long

question 75

Multiple Choice

Humans cannot survive on the surface of Mars for long periods of time because:

• A) there is not enough oxygen in the atmosphere
• B) the range in temperature between day and night is too large
• C) the flux of ultraviolet radiation reaching the surface is too high
• D) the atmospheric pressure would be too low
• E) all of the above are valid reasons

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